Can I choose fewer cards than possible, even if the play costs of the chosen cards add up to less than 15?

Yes. As long as the total play costs of the chosen cards is less than 15, you can choose as many or as few cards as you like.

Senbon Dokkān rulings (BT8-106)

2 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

Effect: [Main] Reveal the top 3 cards of your deck. You may play any number of Digimon cards with [Mamemon] in their name whose play costs add up to 15 or less among them without paying their memory costs. Delete 1 of your opponent's Digimon with a play cost of 6 or less for each Digimon played with this effect. Trash the remaining cards.
Security effect: [Security] Activate this card's [Main] effects.

Official Q&A

Can I choose fewer cards than possible, even if the play costs of the chosen cards add up to less than 15?
Yes. As long as the total play costs of the chosen cards is less than 15, you can choose as many or as few cards as you like.
Ruled Mar 28, 2024
This card's effect reads, "Digimon with a memory cost of 6 or less," but which cost is this referring to?
The Digimon's play cost.
Ruled Mar 28, 2024

Got a line that uses Senbon Dokkān? Map it in the builder and share it with a link.

Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.

Senbon Dokkān rulings (BT8-106)

2 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

Effect: [Main] Reveal the top 3 cards of your deck. You may play any number of Digimon cards with [Mamemon] in their name whose play costs add up to 15 or less among them without paying their memory costs. Delete 1 of your opponent's Digimon with a play cost of 6 or less for each Digimon played with this effect. Trash the remaining cards.
Security effect: [Security] Activate this card's [Main] effects.

Official Q&A

Can I choose fewer cards than possible, even if the play costs of the chosen cards add up to less than 15?
Yes. As long as the total play costs of the chosen cards is less than 15, you can choose as many or as few cards as you like.
Ruled Mar 28, 2024
This card's effect reads, "Digimon with a memory cost of 6 or less," but which cost is this referring to?
The Digimon's play cost.
Ruled Mar 28, 2024

Got a line that uses Senbon Dokkān? Map it in the builder and share it with a link.